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RU2223965C1 - Heteroaryl-aryldiphosphines and method for their preparing - Google Patents

Heteroaryl-aryldiphosphines and method for their preparing Download PDF

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RU2223965C1
RU2223965C1 RU2002118681/04A RU2002118681A RU2223965C1 RU 2223965 C1 RU2223965 C1 RU 2223965C1 RU 2002118681/04 A RU2002118681/04 A RU 2002118681/04A RU 2002118681 A RU2002118681 A RU 2002118681A RU 2223965 C1 RU2223965 C1 RU 2223965C1
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atom
alkyl
compounds
hydrogen
nitrogen atom
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RU2002118681/04A
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RU2002118681A (en
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И.Э. Нифантьев
М.Н. Чевыкалова
Н.В. Артемова
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Нифантьев Илья Эдуардович
Чевыкалова Марина Николаевна
Артемова Наталия Викторовна
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Priority to RU2002118681/04A priority Critical patent/RU2223965C1/en
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Abstract

FIELD: organic chemistry, chemical technology. SUBSTANCE: invention relates to new heteroaryl-aryldiphosphines of formulas (I)
Figure 00000003
and (II)
Figure 00000004
wherein for compounds of the formula (I): A means sulfur atom if B means carbon atom; A means nitrogen atom if B means nitrogen atom; R1 means hydrogen atom or C1-C4-alkyl; R2-R5 means phenyl; R6 and R7 means hydrogen atom; n = 0 or 1; R8-R11 mean hydrogen atom; for compounds of the formula (II): A means nitrogen atom if B means carbon atom R1 means C1-C4-alkyl; A means carbon atom if B means nitrogen atom; R1 means hydrogen atom; A means nitrogen atom if B means nitrogen atom; R1 means oxygen atom; A means oxygen atom if B means carbon atom; R1 means oxygen atom; R2-R5 mean phenyl; R8-R11 means hydrogen atom or C1-C4- alkyl. Compounds of formulas (I) and (II) can be used for preparing transient metals complexes that catalyze amination, hydrogenation or hydroformylation reactions. EFFECT: improved preparing method. 2 cl, 1 tbl, 7 ex

Description

Текст описания в факсимильном виде (см. графическую часть) Description text in facsimile form (see graphic part)

Claims (2)

1. Гетероарил-арилдифосфины общих формул I и II1. Heteroaryl-aryl diphosphines of the general formulas I and II
Figure 00000014
и
Figure 00000014
and
Figure 00000015
Figure 00000015
 где для соединений формулы (I)where for the compounds of formula (I) А=S, если В=С;A = S, if B = C; А=N, если В=N;A = N, if B = N; R1 - водород или C1-C4 алкил;R 1 is hydrogen or C 1 -C 4 alkyl; R2-R5 - фенил;R 2 -R 5 is phenyl; R6 и R7 - водород;R 6 and R 7 are hydrogen; n=0 или 1;n is 0 or 1; R8-R11 - водород,R 8 -R 11 is hydrogen, для соединений формулы (II)for compounds of formula (II) А=N, если В=С, R1=C1-C4 алкил;A = N, if B = C, R 1 = C 1 -C 4 alkyl; А=С, если В=N, R1 = водород;A = C, if B = N, R 1 = hydrogen; А=N, если В=N, R1=0;A = N, if B = N, R 1 = 0; А=О, если В=С, R1=О,A = O, if B = C, R 1 = O, R2-R5 - фенил;R 2 -R 5 is phenyl; R8-R11 - водород или C1-C4 алкил.R 8 -R 11 is hydrogen or C 1 -C 4 alkyl. 2. Способ получения соединений общих формул (I) или (II) по п.1, заключающийся в том, что соединение общей формулы (III) или (IV)2. The method of obtaining compounds of General formula (I) or (II) according to claim 1, which consists in the fact that the compound of General formula (III) or (IV)
Figure 00000016
Figure 00000016
 где R1, R6-R11 имеют значения, указанные в п.1, подвергают взаимодействию с бутиллитием с последующей обработкой образующегося продукта дифенилхлорфосфином.where R 1 , R 6 -R 11 have the meanings indicated in claim 1, are reacted with butyl lithium, followed by treatment of the resulting product with diphenylchlorophosphine.
RU2002118681/04A 2002-07-15 2002-07-15 Heteroaryl-aryldiphosphines and method for their preparing RU2223965C1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992016536A1 (en) * 1991-03-15 1992-10-01 F. Hoffmann-La Roche Ag Chiral phosphines
WO1996001831A1 (en) * 1994-07-12 1996-01-25 Italfarmaco Sud S.P.A. Heteroaromatic diphosphines as chiral ligands
WO1998022484A1 (en) * 1996-11-20 1998-05-28 Chemi S.P.A. Heteroarylic-arylic diphosphines as chiral ligands
RU2129043C1 (en) * 1996-07-02 1999-04-20 Иркутский государственный университет Method of preparing styrene oligomerization catalyst
WO1999052915A1 (en) * 1998-04-10 1999-10-21 Chemi S.P.A. Chiral phosphorated ligands useful in catalysts

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992016536A1 (en) * 1991-03-15 1992-10-01 F. Hoffmann-La Roche Ag Chiral phosphines
WO1996001831A1 (en) * 1994-07-12 1996-01-25 Italfarmaco Sud S.P.A. Heteroaromatic diphosphines as chiral ligands
RU2129043C1 (en) * 1996-07-02 1999-04-20 Иркутский государственный университет Method of preparing styrene oligomerization catalyst
WO1998022484A1 (en) * 1996-11-20 1998-05-28 Chemi S.P.A. Heteroarylic-arylic diphosphines as chiral ligands
WO1999052915A1 (en) * 1998-04-10 1999-10-21 Chemi S.P.A. Chiral phosphorated ligands useful in catalysts

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